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4312949 = 14093061
BaseRepresentation
bin10000011100111101110101
322010010020212
4100130331311
52101003244
6232235205
751442124
oct20347565
98103225
104312949
112486423
12153bb05
13b80154
14803abb
155a2d9e
hex41cf75

4312949 has 4 divisors (see below), whose sum is σ = 4317420. Its totient is φ = 4308480.

The previous prime is 4312939. The next prime is 4312961. The reversal of 4312949 is 9492134.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1932100 + 2380849 = 1390^2 + 1543^2 .

It is a cyclic number.

It is not a de Polignac number, because 4312949 - 212 = 4308853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4312939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122 + ... + 2939.

It is an arithmetic number, because the mean of its divisors is an integer number (1079355).

Almost surely, 24312949 is an apocalyptic number.

It is an amenable number.

4312949 is a deficient number, since it is larger than the sum of its proper divisors (4471).

4312949 is a wasteful number, since it uses less digits than its factorization.

4312949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4470.

The product of its digits is 7776, while the sum is 32.

The square root of 4312949 is about 2076.7640694118. The cubic root of 4312949 is about 162.7764006022.

The spelling of 4312949 in words is "four million, three hundred twelve thousand, nine hundred forty-nine".

Divisors: 1 1409 3061 4312949